Mitsubishi Electric MELSEC iQ-R Series Introduction Manual page 74

Overview of data flow display
In the data flow analysis, the device/label to be analyzed is displayed in the center as the basing point. The block which
affects the device/label to be analyzed is displayed on the left, and the one to be affected is displayed on the right.
Affecting block
For details on the screen, refer to the following.
GX Works3 Operating Manual
7 CHECKING RECORDED RECORDING FILES
73
7.3 Finding the Error Factor Device
Device to be the basing point
Affected block